NL259217A - - Google Patents

Info

Publication number
NL259217A
NL259217A NL259217A NL259217A NL259217A NL 259217 A NL259217 A NL 259217A NL 259217 A NL259217 A NL 259217A NL 259217 A NL259217 A NL 259217A NL 259217 A NL259217 A NL 259217A
Authority
NL
Netherlands
Application number
NL259217A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of NL259217A publication Critical patent/NL259217A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephonic Communication Services (AREA)
NL259217A 1960-03-19 1960-12-19 NL259217A (cg-RX-API-DMAC10.html)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE277560 1960-03-19
US69376A US3138668A (en) 1960-03-19 1960-11-15 Circuit arrangement for signalling through telephone lines

Publications (1)

Publication Number Publication Date
NL259217A true NL259217A (cg-RX-API-DMAC10.html) 1964-04-27

Family

ID=26654381

Family Applications (1)

Application Number Title Priority Date Filing Date
NL259217A NL259217A (cg-RX-API-DMAC10.html) 1960-03-19 1960-12-19

Country Status (6)

Country Link
US (1) US3138668A (cg-RX-API-DMAC10.html)
BE (1) BE599895A (cg-RX-API-DMAC10.html)
DE (1) DE1192270B (cg-RX-API-DMAC10.html)
DK (1) DK95086C (cg-RX-API-DMAC10.html)
GB (1) GB970273A (cg-RX-API-DMAC10.html)
NL (1) NL259217A (cg-RX-API-DMAC10.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1220489B (de) * 1964-03-17 1966-07-07 Siemens Ag Schaltungsanordnung fuer wechselseitig betriebene Zweidraht-Fernmelde-, insbesondereFernsprechleitungen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE863093C (de) * 1942-01-21 1953-01-15 Normalzeit G M B H Schaltungsanordnung fuer Fernmeldeanlagen mit Stoerungssignalisierung
US2409164A (en) * 1942-11-10 1946-10-08 Automatic Elect Lab Telephone system
DE817311C (de) * 1949-03-05 1951-10-18 Siemens & Halske A G Schaltanordnung zur Vermeidung von Fehlschaltungen durch gegenlaeufige Impulse
DE912940C (de) * 1951-04-28 1954-09-06 Siemens Ag Schaltungsanordnung fuer Fernsprechanlagen mit zweiadrigen Verbindungsleitungen

Also Published As

Publication number Publication date
US3138668A (en) 1964-06-23
BE599895A (fr) 1961-05-29
DK95086C (da) 1963-01-07
GB970273A (en) 1964-09-16
DE1192270B (de) 1965-05-06

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